Home / 31,989,311.74-44,144,152.23-18,242,700.22

Finding the Fourth Proportional to 31,989,311.74, 44,144,152.23 and 18,242,700.22

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Solution

The fourth proportional to 31,989,311.74, 44,144,152.23 and 18,242,700.22 is: 25,174,300.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,989,311.74 : 44,144,152.23 = 18,242,700.22 : x
  2. Step 2: Convert to fraction form
    31,989,311.74/44,144,152.23 = 18,242,700.22/x
  3. Step 3: Cross multiply
    31,989,311.74x = 44,144,152.23 × 18,242,700.22
  4. Step 4: Simplify right side
    31,989,311.74x = 805,308,535,597,934.38
  5. Step 5: Solve for x
    x = 805,308,535,597,934.38/31,989,311.74
  6. Step 6: Final answer
    x = 25,174,300.16

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.